Introduction
This manual provides essential instructions for the safe and effective use of your onerbl AC Adapter, designed for the Xiaomi Mi Box 3 MDZ-18-AA Media Streamer TV Player. Please read this manual thoroughly before use and retain it for future reference.

Image: The onerbl AC Adapter, a power supply unit with a barrel connector cable.
Important Safety Information
- Indoor Use Only: This adapter is designed for indoor use. Do not expose it to rain, moisture, or extreme temperatures.
- Proper Voltage: Ensure the wall outlet voltage matches the adapter's input specifications (AC 100-240V).
- Avoid Overloading: Do not overload electrical outlets or extension cords.
- Cable Care: Do not place heavy objects on the power cord or allow it to be pinched. Avoid bending or twisting the cable excessively.
- Disconnect When Not in Use: Unplug the adapter from the power outlet when not in use for extended periods.
- No User Serviceable Parts: Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.
- Children and Pets: Keep the adapter and its cable out of reach of children and pets.

Image: The back of the AC adapter, displaying input specifications (AC 100-240V 50/60Hz) and a "CAUTION INDOOR USE ONLY" label.
Setup Instructions
- Unpack the Adapter: Carefully remove the onerbl AC Adapter from its packaging.
- Connect to Device: Insert the barrel connector end of the adapter cable into the power input port of your Xiaomi Mi Box 3 MDZ-18-AA Media Streamer TV Player. Ensure a secure connection.
- Plug into Power Outlet: Insert the two-prong plug of the AC adapter into a standard AC 100-240V wall power outlet.
- Verify Power: Once connected, your Xiaomi Mi Box 3 should receive power and indicate its operational status (e.g., power LED).

Image: The onerbl AC adapter shown plugged into a wall socket, ready for use.
Operating Instructions
The onerbl AC Adapter is designed for continuous power supply to your Xiaomi Mi Box 3. It operates automatically once connected to a power source and your device.
- The adapter provides a stable power output to ensure optimal performance of your media streamer.
- It features built-in protections against over-voltage, over-heat, and short-circuit conditions to safeguard your device.

Image: Diagram illustrating the adapter's smart chip with icons for short-circuit, over-voltage, and over-current protection.
Maintenance and Care
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as cuts, fraying, or bent prongs. If damage is found, discontinue use immediately.

Image: An illustration highlighting the durable design of the cable, featuring copper wire and a PVC jacket for enhanced longevity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. | Adapter not properly connected; power outlet issue; faulty adapter. |
|
| Adapter feels hot. | Normal operation; poor ventilation; overloading. |
|
| Intermittent power to device. | Loose connection; damaged cable. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | onerbl |
| Model Compatibility | Xiaomi Mi Box 3 MDZ-18-AA |
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide AC Input) |
| Connector Type | Barrel Connector |
| Power Source | Corded Electric |
| Main Power Connector Type | 2 Pin |
| Item Weight | 8 Ounces |
| Special Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Travel-friendly design |
| Mounting Type | Wall Mount |

Image: The AC adapter with its physical dimensions labeled: 3.1 inches in length, 2.1 inches in width, and 1.2 inches in depth.

Image: A visual comparison of cable lengths, showing an extended cord design for greater reach.
Warranty and Support
For warranty information or technical support, please refer to the seller's policies or contact the manufacturer directly. This product is tested and in great working condition, designed for reliability.
Manufacturer: Shenzhen Waweis Technology Co., Ltd